54963991633 has 4 divisors (see below), whose sum is σ = 55530630820. Its totient is φ = 54397352448.

The previous prime is 54963991631. The next prime is 54963991717. The reversal of 54963991633 is 33619936945.

54963991633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33361753104 + 21602238529 = 182652^2 + 146977^2 .

It is a cyclic number.

It is not a de Polignac number, because 54963991633 - 2¹ = 54963991631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54963991631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283319448 + ... + 283319641.

It is an arithmetic number, because the mean of its divisors is an integer number (13882657705).

Almost surely, 2^54963991633 is an apocalyptic number.

It is an amenable number.

54963991633 is a deficient number, since it is larger than the sum of its proper divisors (566639187).

54963991633 is an equidigital number, since it uses as much as digits as its factorization.

54963991633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566639186.

The product of its digits is 14171760, while the sum is 58.

The spelling of 54963991633 in words is "fifty-four billion, nine hundred sixty-three million, nine hundred ninety-one thousand, six hundred thirty-three".